U

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U 1

 (yo͞o)
adj.
Chiefly British Of or appropriate to the upper class, especially in language usage.


U 2

 (o͞o)
n.
Used as a courtesy title before the name of a man in a Burmese-speaking area.

[Burmese.]

U 3

1. The symbol for uranium.
2. The symbol for internal energy.

U 4

abbr.
1. unsatisfactory
2. uracil

u 1

or U  (yo͞o)
n. pl. u's or U's also us or Us
1. The 21st letter of the modern English alphabet.
2. Any of the speech sounds represented by the letter u.
3. The 21st in a series.
4. Something shaped like the letter U.
5. U A grade that indicates an unsatisfactory status.

u 2

abbr.
up quark
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

u

(juː) or

U

n, pl u's, U's or Us
1. (Linguistics) the 21st letter and fifth vowel of the modern English alphabet
2. (Phonetics & Phonology) any of several speech sounds represented by this letter, in English as in mute, cut, hurt, sure, pull, or minus
3.
a. something shaped like a U
b. (in combination): a U-bolt; a U-turn.

U

symbol for
1. united
2. (Government, Politics & Diplomacy) unionist
3. (Education) university
4. (Film) (in Britain)
a. universal (used to describe a category of film certified as suitable for viewing by anyone)
b. (as modifier): a U film.
5. (Elements & Compounds) chem uranium
6. (Biochemistry) biochem uracil
abbreviation for
(Telecommunications) text messaging you
adj
(Sociology) old-fashioned informal Brit (esp of language habits) characteristic of or appropriate to the upper class. Compare non-U

U

()
n
a Burmese title of respect for men, equivalent to Mr
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

U, u

(yu)

n., pl. U's Us, u's us.
1. the 21st letter of the English alphabet, a vowel.
2. any spoken sound represented by this letter.
3. something shaped like a U.
4. a written or printed representation of the letter U or u.

U

(yu)

pronoun. Pron. Spelling.
you: Shoes Fixed While U Wait.

U

(yu)

adj.
characteristic of the upper classes.
[1950–55; u(pper class)]

U

(u)

n.
a Burmese title of respect used before a man's name.

U


Symbol.
1. the 21st in order or in a series.
2. uranium.
3. uracil.
4. kosher (label).
[Union of Orthodox Hebrew Congregations]

U.

1. uncle.
2. union.
3. unit.
4. university.
5. unsatisfactory.

u.

1. and.
[< German und]
2. unit.
3. unsatisfactory.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

U

The symbol for uranium.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.U - a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
ribonucleic acid, RNA - (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell; "ribonucleic acid is the genetic material of some viruses"
nucleotide, base - a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)
2.U - a heavy toxic silvery-white radioactive metallic elementU - a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
uranium 235 - a uranium isotope with mass number 235; capable of sustaining chain reactions
uranium 238 - the commonest isotope of uranium; it is not fissionable but when irradiated with neutrons it produces fissionable plutonium 239
pitchblende, uraninite - a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore
3.U - the 21st letter of the Roman alphabetu - the 21st letter of the Roman alphabet
Latin alphabet, Roman alphabet - the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe
alphabetic character, letter of the alphabet, letter - the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters"
Adj.1.u - (chiefly British) of or appropriate to the upper classes especially in language use
Britain, Great Britain, U.K., UK, United Kingdom, United Kingdom of Great Britain and Northern Ireland - a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom
upper-class - occupying the highest socioeconomic position in a society
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

U

u [juː]
A. N (= letter) → U, u f
U for UncleU de Uruguay
U-shapeden forma de U
see also U-turn
B. ADJ ABBR (Brit)
1. =upper-class
2. (Cine) =universaltodos los públicos
C. ABBR =UniversityU.
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

U

u [ˈjuː] n (= letter) → U m, u m
U for Uncle → U comme Ursule

U

[ˈjuː] n abbr (British) (CINEMA) (=universal) → tous publics
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

U

, u
n
U nt, → u nt
(Brit Film inf) → jugendfreier Film
adj (Brit, = upper class) charakteristisch für die Gewohnheiten, Sprechweise etc der Oberschicht, → vornehm
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

U

u [juː] n (letter) → U, u f or m inv
U for Uncle → U come Udine

U

[juː] n abbr (Brit) (Cine) =universalper tutti
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

u

(juː) : ˈU-turn noun
a turn, in the shape of the letter U, made by a motorist etc in order to reverse his direction.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
References in periodicals archive ?
Train services to Bala will link up with the Great Little Trains Model Railway exhibition at Ysgol Y Berwyn (LL23 7RU), which runs from Sat-Mon, May 26-28.
Ekinops is a market-leading innovator in 100G transport with a coherent line of products that truly optimizes optical networks and comes in 1RU, 2RU or 7RU chassis.
Offering high capacity, flexibility, and interoperability with existing equipment, the Ekinops 200G muxponder is a plug-in card, compatible with existing 2RU or 7RU chassis which could already be equipped with 10G or 100G solutions.
Graham Parker, International Centre for Music Studies, Armstrong Building, Newcastle University, Newcastle upon Tyne, NE1 7RU. Email: w.r.large@newcastle.ac.uk
ROY LARGE Email: w.r.large@newcastle.ac.uk or write to Roy Large, c/o Mr Graham Parker, International Centre for Music Studies, Armstrong Building, Newcastle University, Newcastle upon Tyne, NE1 7RU